Home / 39,662.31-59,456.10-13,348.65

Finding the Fourth Proportional to 39,662.31, 59,456.10 and 13,348.65

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Solution

The fourth proportional to 39,662.31, 59,456.10 and 13,348.65 is: 20,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,662.31 : 59,456.10 = 13,348.65 : x
  2. Step 2: Convert to fraction form
    39,662.31/59,456.10 = 13,348.65/x
  3. Step 3: Cross multiply
    39,662.31x = 59,456.10 × 13,348.65
  4. Step 4: Simplify right side
    39,662.31x = 793,658,669.27
  5. Step 5: Solve for x
    x = 793,658,669.27/39,662.31
  6. Step 6: Final answer
    x = 20,010.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.